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| 0000355811-15-000025-index.html | 2015-05-05 08:25:44 | |
| 0000355811-15-000025.txt | 2015-05-05 08:25:44 | |
 0000355811-15-000025-xbrl.zip | 126308 | 2015-05-05 08:25:44 |
| FilingSummary.xml | 20582 | 2015-05-05 08:25:44 |
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| gntx-20150331.xml | 892148 | 2015-05-05 08:25:44 |
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| gntx-20150331_lab.xml | 425717 | 2015-05-05 08:25:44 |
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| gntx03312015-exx311.htm | 9429 | 2015-05-05 08:25:44 |
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| report.css | 2740 | 2015-05-05 08:25:44 |
| Show.js | 1410 | 2015-05-05 08:25:44 |